I had Raley neutered at 7 1/2 months. He did GREAT!!! I personally did not feel comfortable doing it too early and the vet we use prefers puppies be around 6 months old prior to the surgery. I also think you should just talk to your vet and let him/her know your concerns! Good luck!!
__________________ Meg, Mom to Raley 
megraley.scentsy.us |